class_name RadioPanel
extends CanvasLayer
## Radio report form (PLAN.md Level 4 assist / Level 5 emergency).
## Emergency calls use hold-to-activate (press and hold 1.6s) to prevent
## accidental activation.

signal submitted(report: Dictionary, emergency: bool)
signal cancelled()

const Rules := preload("res://src/core/rules.gd")

var panel: PanelContainer
var npc_name_label: Label
var location_edit: LineEdit
var desc_edit: LineEdit
var weapons_check: CheckBox
var danger_option: OptionButton
var action_button: Button
var hold_hint: Label
var status_label: Label

var _emergency := false
var _npc_id := ""
var _holding := false
var _hold_time := 0.0
const HOLD_NEEDED := 1.6
var _truth := {"weapons_seen": false, "danger_level": 0}

func _init() -> void:
	name = "RadioPanel"
	layer = 20
	var dim := ColorRect.new()
	dim.color = Color(0, 0, 0, 0.55)
	dim.set_anchors_preset(Control.PRESET_FULL_RECT)
	add_child(dim)

	var center := CenterContainer.new()
	center.set_anchors_preset(Control.PRESET_FULL_RECT)
	center.mouse_filter = Control.MOUSE_FILTER_IGNORE
	add_child(center)
	panel = PanelContainer.new()
	center.add_child(panel)

	var vbox := VBoxContainer.new()
	panel.add_child(vbox)
	vbox.add_theme_constant_override("separation", 8)

	var title := Label.new()
	title.name = "RadioTitle"
	title.add_theme_font_size_override("font_size", 18)
	vbox.add_child(title)
	npc_name_label = Label.new()
	vbox.add_child(npc_name_label)

	location_edit = LineEdit.new()
	location_edit.placeholder_text = "Location (e.g. front steps)"
	location_edit.text = "front entrance"
	vbox.add_child(location_edit)

	desc_edit = LineEdit.new()
	desc_edit.placeholder_text = "Describe the person and behavior"
	vbox.add_child(desc_edit)

	weapons_check = CheckBox.new()
	weapons_check.text = "Weapon seen"
	vbox.add_child(weapons_check)

	var danger_row := HBoxContainer.new()
	vbox.add_child(danger_row)
	var danger_label := Label.new()
	danger_label.text = "Danger level: "
	danger_row.add_child(danger_label)
	danger_option = OptionButton.new()
	for i in 4:
		danger_option.add_item("level %d — %s" % [i, _danger_name(i)], i)
	danger_option.select(1)
	danger_row.add_child(danger_option)

	hold_hint = Label.new()
	hold_hint.text = ""
	hold_hint.modulate = Color(1, 0.85, 0.55)
	vbox.add_child(hold_hint)

	status_label = Label.new()
	status_label.text = ""
	vbox.add_child(status_label)

	var buttons := HBoxContainer.new()
	vbox.add_child(buttons)
	action_button = Button.new()
	action_button.text = "Send request"
	action_button.button_down.connect(func(): _start_hold())
	action_button.button_up.connect(func(): _stop_hold(false))
	buttons.add_child(action_button)
	var cancel_btn := Button.new()
	cancel_btn.text = "Cancel"
	cancel_btn.pressed.connect(func(): cancelled.emit())
	buttons.add_child(cancel_btn)

var _title_label: Label

func open(controller: Object, emergency: bool, truth: Dictionary) -> void:
	_emergency = emergency
	_truth = truth
	_npc_id = controller.npc_id if controller else ""
	npc_name_label.text = "Target: %s" % (controller.profile.display_name if controller else "?")
	var title: Label = panel.find_child("RadioTitle", true, false)
	title.text = "EMERGENCY CALL" if emergency else "Security Assistance"
	weapons_check.button_pressed = truth.get("weapons_seen", false)
	danger_option.select(truth.get("danger_level", 1))
	hold_hint.text = "Hold the button for %.1fs" % HOLD_NEEDED if emergency else ""
	status_label.text = ""
	action_button.text = "SEND EMERGENCY" if emergency else "Send request"
	_holding = false
	_hold_time = 0.0
	visible = true

func _start_hold() -> void:
	_holding = _emergency
	_hold_time = 0.0

func _stop_hold(cancelled_early: bool) -> void:
	if _holding:
		_holding = false
		if not cancelled_early and _hold_time >= HOLD_NEEDED:
			_submit()
		else:
			status_label.text = "Call cancelled - must hold the button."

func _process(delta: float) -> void:
	if not visible:
		return
	if _holding:
		_hold_time += delta
		status_label.text = "Holding... %.0f%%" % (minf(1.0, _hold_time / HOLD_NEEDED) * 100.0)
		if _hold_time >= HOLD_NEEDED:
			var was := _holding
			_holding = false
			if was:
				_submit()

func _submit() -> void:
	if not visible:
		return
	var report := {
		"npc_id": _npc_id,
		"location": location_edit.text,
		"description": desc_edit.text,
		"behavior": desc_edit.text,
		"weapons_seen": weapons_check.button_pressed,
		"danger_level": danger_option.get_selected_id(),
	}
	visible = false
	submitted.emit(report, _emergency)

func _danger_name(level: int) -> String:
	match level:
		0: return "none"
		1: return "low"
		2: return "elevated"
		3: return "immediate threat"
		_: return "unknown"